Pie with legend

author(s): Øystein Moseng

by oysteinmoseng

HTML

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>
<script src="https://code.highcharts.com/modules/export-data.js"></script>
<script src="https://code.highcharts.com/modules/accessibility.js"></script>

<figure class="highcharts-figure">
    <div id="container"></div>
    <p class="highcharts-description">
        This pie chart shows how the chart legend can be used to provide
        information about the individual slices.
    </p>
</figure>

CSS

.highcharts-figure,
.highcharts-data-table table {
    min-width: 320px;
    max-width: 660px;
    margin: 1em auto;
}

.highcharts-data-table table {
    font-family: Verdana, sans-serif;
    border-collapse: collapse;
    border: 1px solid #ebebeb;
    margin: 10px auto;
    text-align: center;
    width: 100%;
    max-width: 500px;
}

.highcharts-data-table caption {
    padding: 1em 0;
    font-size: 1.2em;
    color: #555;
}

.highcharts-data-table th {
    font-weight: 600;
    padding: 0.5em;
}

.highcharts-data-table td,
.highcharts-data-table th,
.highcharts-data-table caption {
    padding: 0.5em;
}

.highcharts-data-table thead tr,
.highcharts-data-table tr:nth-child(even) {
    background: #f8f8f8;
}

.highcharts-data-table tr:hover {
    background: #f1f7ff;
}

JavaScript

// Data retrieved from https://netmarketshare.com/
// Build the chart
Highcharts.chart('container', {
    chart: {
        plotBackgroundColor: null,
        plotBorderWidth: null,
        plotShadow: false,
        type: 'pie'
    },
    title: {
        text: 'Browser market shares in March, 2022',
        align: 'left'
    },
    tooltip: {
        pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>'
    },
    accessibility: {
        point: {
            valueSuffix: '%'
        }
    },
    lang: {
    	accessibility: {
        	legend: {
            	legendItem: 'Show {itemName}, {item.options.custom.percentageReally:.1f}%'
            }
        }
    },
    legend: {
    	labelFormat: '{name} - {percentage:.1f}%'
    },
    plotOptions: {
        pie: {
            allowPointSelect: true,
            cursor: 'pointer',
            dataLabels: {
                enabled: false
            },
            showInLegend: true
        }
    },
    series: [{
        name: 'Brands',
        colorByPoint: true,
        data: [{
            name: 'Chrome',
            y: 74.77,
            sliced: true,
            selected: true,
            custom: {
            	percentageReally: -5
            }
        },  {
            name: 'Edge',
            y: 12.82
        },  {
            name: 'Firefox',
            y: 4.63
        }, {
            name: 'Safari',
            y: 2.44
        }, {
            name: 'Internet Explorer',
            y: 2.02
        }, {
            name: 'Other',
            y: 3.28
        }]
    }]
});